And during the initial development of ARM, a BBC Micro was used for writing an ARM simulator. After the successful production of the ARM chip, the BBC Micro was

And during the initial development of ARM, a BBC Micro was used for writing an ARM simulator. After the successful production of the ARM chip, the BBC Micro was still used as a monitor. https://en.wikipedia.org/wiki/BBC_Micro_expansion_unit#ARM_Evaluation_System https://en.wikipedia.org/wiki/BBC_Micro_expansion_unit#ARM_E...